10 20 30 40 50 CAAUUCCAGAGAACAAG- U-| ACA U GGAUGU UCUC UCUG CACCCUAAC GAGGGCAUUUAUU \ GGAG GGAC GUGGGGUUG CUCUUGUGAAUAG U AAAGACUCUGUCGGGUCA UU^ AGA U AAAGGU 110 100 90 80 70 60